The RCF MB12N351 is a high-efficiency 12-inch neodymium mid-bass driver, designed for precision and low distortion. Its unique 3.5-inch copper voice coil provides superior power handling compared to standard 3-inch designs. The dual-forced air ventilation system ensures optimal cooling, minimizing power compression and enhancing performance. Ideal for professional audio applications requiring clarity, dynamics, and high sensitivity.
Product Specifications:
Nominal Diameter: 12 inches
Rated Impedance: 8 ohms
Program Power: 1300W
Power Handling: 650W
Sensitivity: 99 dB
Frequency Range: 45 – 3000 Hz
Voice Coil & Magnet
Voice Coil Diameter: 3.5 inches
Winding Material: Copper
Coil Length: 0.67 inches
Layers: Inside/Outside (2 layers)
Magnet Type: Neodymium
Top Plate Thickness: 0.43 inches
Dual-Force Air Ventilation: Yes
Mechanical Design
Cone Design: Curved
Surround Material: Polycotton
Surround Design: M-Roll
Spider: 02
Max. Excursion Before Damage: 1.54 inches
Thiele-Small Parameters
Resonance Frequency (Fs): 55 Hz
DC Resistance (Re): 5.60 ohms
Mechanical Q (Qms): 4.50
Electrical Q (Qes): 0.21
Total Q (Qts): 0.20
BL Factor: 22.50 T·m
Effective Moving Mass (Mms): 54 g
Equivalent Compliance Volume (Vas): 61 liters
Max Linear Excursion (Xmax): 6 mm
Mounting & Dimensions (in inches)
Overall Diameter: 12.6 inches
Mounting Bolt Circle: 11.54 – 11.97 inches
Front Mount Baffle Cut-Out: 11.1 inches
Rear Mount Baffle Cut-Out: 11.18 inches
Height: 5.94 inches
Weight: 9.92 lbs
Shipping Dimensions (in inches)
Package Height: 8.27 inches
Package Width: 14.17 inches
Package Depth: 14.17 inches
Package Weight: 12.1 lbs
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